Article Search Results

Show Filters
Showing 108 results for "*"
Australian opal miner
Article
Chasing the Rainbow: Australian Opal Fields Expedition

Australia is the most famous source of opals in the world. The black opals from Lightning Ridge are the most valuable opals ever produced. Journey with us on this expedition to the Australian outback to see how these rugged individuals mine opals and why they chase the rainbow of colour.

Read More

Article
The Real Gemmology of Ethiopian Opals in ‘Uncut Gems’

This article takes a look at the rough opal that plays a major role in the Adam Sandler film “Uncut Gems”. What is the real gemmology of opals?

Read More

A round, bright red gem displayed on a dark gray background.
Article
The Red Hot Gems of Summer

These red, pink and orange hued gems evoke passion and excitement – and are sure-fire accessories for sultry summer days.

Read More

Spring 2000 Gem News International

A compilation of gem news from around the world, covering topics such as localities, unusual gem materials, market news, new products, discoveries, jewellery manufacturing techniques and industry trends.

Read More

Ethiopian precious opal showing chatoyancy.
Flashes and Flames in Ethiopian Opal

Chatoyancy, rarely seen in play-of-colour opal, is observed in Ethiopian material.

Read More

Opal beads with blue play-of-color.
Australian Opal Beads with Blue Play-of-Colour

Boulder opal in sandstone matrix is seen as beads in Tucson.

Read More

Exotic Gems, Volume 3 Book Cover
Books: Exotic Gems, Volume 3

Review of Exotic Gems, Vol. 3: How to Identify, Evaluate, Select and Care for Matrix Opal, Fire Agate, Blue Chalcedony, Rubellite Indicolite, Paraíba and Other Tourmalines, by Renee Newman.

Read More

Article
Pyrope Garnet and Montana Sapphires Highlight Winter 2015 G&G

G&G Brief presents an overview of the content of the Winter 2015 issue of Gems & Gemology.

Read More

Dyed Purple Hydrophane Opal

Opals with an unusual purple bodycolour and strong play-of-colour have recently appeared in the market.

Read More

Play-of-colour opal from Wegel Tena, Wollo Province, Ethiopia
Play-of-colour opal from Wegel Tena, Wollo Province, Ethiopia

A new opal deposit was discovered in 2008 near the village of Wegel Tena, in the volcanic rocks of Ethiopia’s Wollo Province.

Read More